High-Performance Design FeaturesThe Intel 82576 Gigabit Ethernet Controller provides high-performance dual-port gigabit connectivity in a multi-core platform as well as in a virtualized platform. In a multi-core platform it supports different technologies including Intel® QuickData Technology, MSI-X, Low Latency Interrupts and others, that help accelerate the data across the platform thereby improving application response times. In a virtualized environment it supports Intel® Virtualization Technology for Connectivity that helps improve the I/O performance by reducing the I/O overhead on a virtualized platform.

The I/O technologies on a multi-core platform make use of the multiple queues and multiple interrupt vectors available on the Controller. These queues and interrupt vectors help in load balancing the data and the interrupts amongst themselves in order to lower CPU utilization and improve the overall system performance. Depending upon the latency sensitivity of the data, the Low Latency Interrupts feature automatically modulates the time interval between the interrupts, lowering CPU utilization levels.